Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Dreyer, A (Aretha)
Dob:
2012/09/14 (U14)
Gender:
Female
Chess SA id:
2120160874
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (46 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1253.8
Current Weighted rating
1225.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1253.8
Current highest rating achieved
1253.8
Current floor (min rating allowed)
753.8
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±153.6
Current Raw change used (final)
0.0
Projected new Raw rating
1253.8
Projected new Weighed rating
1128.5
Projected new Weighted performance
772.5
Projected new final Raw rating (if new WP > new Raw)
1253.8
Projected new highest rating
1253.8
Projected new floor
753.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1253.8
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1262.3
Current Weighted rating
1230.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1262.3
Current highest rating achieved
1262.3
Current floor (min rating allowed)
762.3
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±151.7
Current Raw change used (final)
0.0
Projected new Raw rating
1262.3
Projected new Weighed rating
1133.3
Projected new Weighted performance
772.5
Projected new final Raw rating (if new WP > new Raw)
1262.3
Projected new highest rating
1262.3
Projected new floor
762.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1262.3
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 Tshwane North School District CLOSED Individual Champioships (U13 Girls)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1235.0
1242.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
2024 Tshwane North School District CLOSED Individual Champioships (U13 Girls)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1235.0
1242.1
Analysis
1
2023 Gauteng Top Schools (U13 Girls)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
3.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
3
0
2
3.0
60.0
85.0
1249.2
1334.2
White
2
1
0
1
1.0
50.0
0.0
1338.8
1338.8
Black
3
2
0
1
2.0
66.7
141.7
1189.4
1331.1
Standard
All
5
3
0
2
3.0
60.0
85.0
1249.2
1334.2
White
2
1
0
1
1.0
50.0
0.0
1338.8
1338.8
Black
3
2
0
1
2.0
66.7
141.7
1189.4
1331.1
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
6
1
3
6.5
65.0
127.5
1242.7
1370.2
White
5
4
0
1
4.0
80.0
255.0
1263.2
1518.2
Black
5
2
1
2
2.5
50.0
0.0
1222.1
1222.1
Standard
All
10
6
1
3
6.5
65.0
127.5
1242.7
1370.2
White
5
4
0
1
4.0
80.0
255.0
1263.2
1518.2
Black
5
2
1
2
2.5
50.0
0.0
1222.1
1222.1
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2100160878
Fox, K (Keira)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2110303369
Du Toit, L (Leoné)
1
1.0
1
0
0
100.0
1235.0
425.0
1660.0
View list
3
2130145690
Botha, M (Mianke)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2110303694
Matlou, B (Batlile)
1
1.0
1
0
0
100.0
1235.0
425.0
1660.0
View list
5
2120155944
Matlhasedi, T (Tumiso)
1
1.0
1
0
0
100.0
1235.0
425.0
1660.0
View list
6
2120113799
Uwakata, ST (Samara)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2110160936
Tshakuma, M (Motsedisi)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
8
2110157405
Strauss, L (Luné)
1
0.0
0
0
1
0.0
1235.0
-425.0
810.0
View list
9
2130143059
Smith, L (Leah)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
2110159819
Lekhuleni, N (Nqobile)
1
0.0
0
0
1
0.0
1235.0
-425.0
810.0
View list
